diff --git a/converter/usb_usb/usb_usb.cpp b/converter/usb_usb/usb_usb.cpp
index 3d08b118..625a3b82 100644
--- a/converter/usb_usb/usb_usb.cpp
+++ b/converter/usb_usb/usb_usb.cpp
@@ -226,13 +226,6 @@ void led_set(uint8_t usb_led)
     if (kbd4.isReady()) kbd4.SetReport(0, 0, 2, 0, 1, &usb_led);
 }
 
-// We need to keep doing UHS2 USB::Task() to initialize keyboard
-// even before USB is not configured.
-void hook_usb_startup_wait_loop(void)
-{
-    matrix_scan();
-}
-
 // We need to keep doing UHS2 USB::Task() to initialize keyboard
 // even during USB bus is suspended and remote wakeup is not enabled yet on LUFA side.
 // This situation can happen just after pluging converter into USB port.